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GECKOv2-ColBERT-NL-prod-v2
StatisticsNetherlands/GECKOv2-ColBERT-NL-prod-v2
GECKOv2-ColBERT-NL-prod-v2 is a sentence similarity model from StatisticsNetherlands. Use it when you need a score for how close two texts are. It is set up for transformers. The card lists the license as mit.
ColBERT retriever for GECKOv2 (nl), generated 2026-09-16 10:25.
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At a glance
- Task
- Sentence Similarity
- Library
- transformers
- License
- mit
- Model type
- xlm-roberta
- Access
- Public
- Created
- Sep 16, 2026
- Updated
- Sep 16, 2026
- SHA
- 9f5dd480
Base models
Model card
From the Hugging Face model README
GECKOv2-ColBERT-NL-prod-v2
ColBERT retriever for GECKOv2 (nl), generated 2026-09-16 10:25.
Training configuration
| Setting | Value |
|---|---|
| Base model | BAAI/bge-m3 |
| Mode | all |
| Training strategy | single-round with cosine-sim negatives |
| Negative samples | 10 per (query, positive) pair |
| nway | 11 (1 positive + 10 negatives per step) |
| Learning rate | 1e-05 |
| Batch size | 16 (accumsteps 1, 16 per forward pass) |
| Epochs | 10 |
| Search depth (k) | 200 |
| Mix ratio | 0.0 |
| Quantization (nbits) | 4 |
| Embedding model | sentence-transformers/all-MiniLM-L12-v2 |
| Benchmark tables | included (production model) |
Data
- Split: 1113 train / 148 validation questions, 214 train tables / 24 validation tables, 0 overlapping (should be 0)
- Collection: 169,224 documents
Rounds
| Round | Negatives from | Triples | Steps | doc_maxlen | dim | Finished |
|---|---|---|---|---|---|---|
| 1 | cosine similarity of embedded descriptions | 64,330 | 4,021 | 256 | 128 | 2026-09-11 15:57 |
Evaluation
| Checkpoint | Dataset | EM | acc@k |
|---|---|---|---|
colbertv2-dutch-all-nodes-production-dim128 | complex_nl_test.jsonl | 0.773 | 0.998 (@50) |
- Task
- Sentence Similarity
- Library
- transformers
- Type
- xlm-roberta
- License
- mit
- Languages
- nl
- Created
- Sep 16, 2026
- Updated
- Sep 16, 2026